Alaska earthquakes

M1.6 earthquake 52 km WSW of Delta Junction, Alaska

A magnitude 1.6 earthquake struck 52 km WSW of Delta Junction, Alaska on Thu, Sep 20, 2018, 1:01 AM AKDT (09:01 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.6 53 km ENE of Cantwell, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-09-20 09:01:41 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
63.791° N, 146.654° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
34

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.582 km E of Cantwell, Alaska · 2933 days ago · 3 km deep · 45 km away
  2. 1.824 km E of McKinley Park, Alaska · 2931 days ago · 88 km deep · 86 km away
  3. 2.171 km ESE of Cantwell, Alaska · 2929 days ago · 7 km deep · 86 km away
  4. 1.871 km ESE of McKinley Park, Alaska · 2927 days ago · 5 km deep · 53 km away
  5. 1.683 km ESE of McKinley Park, Alaska · 2925 days ago · 3 km deep · 38 km away
  6. 2.068 km ESE of McKinley Park, Alaska · 2923 days ago · 2 km deep · 53 km away
  7. 1.939 km NE of Paxson, Alaska · 2920 days ago · 4 km deep · 98 km away
  8. 1.527 km ENE of Cantwell, Alaska · 2917 days ago · 9 km deep · 95 km away
  9. 2.148 km ESE of Cantwell, Alaska · 2911 days ago · 83 km deep · 86 km away
  10. 2.158 km E of Cantwell, Alaska · 2910 days ago · 73 km deep · 73 km away
  11. 1.975 km ESE of McKinley Park, Alaska · 2909 days ago · 0 km deep · 47 km away
  12. 1.944 km ENE of Healy, Alaska · 2905 days ago · 103 km deep · 78 km away
  13. 2.653 km ENE of Cantwell, Alaska · 2894 days ago · 13 km deep · 69 km away
  14. 1.867 km ENE of Cantwell, Alaska · 2893 days ago · 1 km deep · 57 km away
  15. 1.830 km NNE of Paxson, Alaska · 2881 days ago · 3 km deep · 78 km away
  16. 1.519 km E of Healy, Alaska · 2880 days ago · 109 km deep · 94 km away
  17. 1.768 km ESE of Cantwell, Alaska · 2878 days ago · 10 km deep · 86 km away
  18. 1.952 km ENE of Cantwell, Alaska · 2877 days ago · 1 km deep · 71 km away
  19. 1.842 km ENE of Healy, Alaska · 2876 days ago · 10 km deep · 82 km away
  20. 2.543 km ESE of Cantwell, Alaska · 2876 days ago · 78 km deep · 97 km away

Before

  1. 2.055 km E of Cantwell, Alaska · 2934 days ago · 1 km deep · 69 km away
  2. 2.231 km NE of Paxson, Alaska · 2938 days ago · 7 km deep · 96 km away
  3. 2.436 km SSW of Dry Creek, Alaska · 2941 days ago · 3 km deep · 98 km away
  4. 1.582 km WNW of Paxson, Alaska · 2942 days ago · 1 km deep · 37 km away
  5. 1.834 km NE of Big Delta, Alaska · 2946 days ago · 13 km deep · 91 km away
  6. 1.575 km E of Cantwell, Alaska · 2949 days ago · 1 km deep · 57 km away
  7. 2.367 km WSW of Delta Junction, Alaska · 2949 days ago · 3 km deep · 15 km away
  8. 1.584 km ESE of McKinley Park, Alaska · 2952 days ago · 4 km deep · 38 km away
  9. 2.025 km SSW of Dry Creek, Alaska · 2953 days ago · 8 km deep · 99 km away
  10. 1.766 km ESE of McKinley Park, Alaska · 2955 days ago · 7 km deep · 53 km away
  11. 2.758 km SW of Harding-Birch Lakes, Alaska · 2958 days ago · 7 km deep · 52 km away
  12. 2.349 km E of Clear, Alaska, Alaska · 2963 days ago · 11 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018c33ph87 (also filed as ak20259160). Read Fri, Oct 2, 2026, 11:38 AM UTC.